Physicist Dr Emma Chapman tells us everything we know – and everything we don’t – about the first stars to exist after the Big Bang.

Once you’ve mastered the basics with Instant Genius, dive deeper with Instant Genius Extra, where you’ll find longer, richer discussions about the most exciting ideas in the world of science and technology. Only available on Apple Podcasts.

Produced by the team behind BBC Science Focus Magazine. Visit our website: sciencefocus.com

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